CH556557A
(en )
1974-11-29
PROCESS FOR THE REDUCED REPRODUCTION OF X-ray images.
CH201976A
(en )
1938-12-31
Process for the production of intaglio printing plates and photographic slide which can be used in this process.
AT104672B
(en )
1926-11-10
Process for recording and reproducing series images using the three-color process and film for this.
CH115083A
(en )
1926-08-16
Box for holding spools.
SU37781A1
(en )
1934-07-31
The method of obtaining paint for stamps and rotary-multiplying devices
DK38384C
(en )
1928-01-30
Color grid film and method and apparatus for producing the same.
CA249772A
(en )
1925-05-19
Time recording apparatus
CA251649A
(en )
1925-07-14
Recording apparatus
CA247337A
(en )
1925-03-03
Duplicating method
AT134378B
(en )
1933-07-25
Transportable machine for the optional playback of picture, sound or picture sound recordings.
AT112399B
(en )
1929-02-25
Sound recording and reproducing apparatus.
AT134379B
(en )
1933-07-25
Photographic film useful for color image and sound recording and process for making the same.
CH181265A
(en )
1935-12-15
Process for the production of flat and offset printing plates.
AT158029B
(en )
1940-02-26
Process for recording and reproducing color films as well as color grids and projection surfaces.
CA248522A
(en )
1925-04-07
Phonograph record
DK45398C
(en )
1932-03-14
Coolant for Automobiles and the like.
GR806B
(en )
1925-01-26
METHOD AND APPARATUS FOR THUNDING, MILLING AND POWDERING OF ALL NATURE MATERIALS, PLANTS ALSO.
CA250961A
(en )
1925-06-23
Time recorder
CA256361A
(en )
1925-12-15
Time recorder
CA255361A
(en )
1925-11-10
Time recorder
FI10772A
(en )
1925-07-24
Apparatus for sequential photography of magazines, drawings and the like
CA255706A
(en )
1925-11-24
Method and means for handling subaquatic deposits
AT121518B
(en )
1931-02-25
Process for the production of aluminum-copper-nickel alloys.
AU499026A
(en )
1927-05-31
Engraving process for photographic and kinematographic projections, reproducing the natural colours
CA247413A
(en )
1925-03-10
Sound recording process